935
FNCA52 TJSJ 010730
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 AM AST WED APR 1 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-012000-
SOUTHEAST COASTAL PLAINS-
330 AM AST WED APR 1 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 80 50 50
TEMP (24H TREND) 87 (+1) 68 (0) 86
RH % (24H TREND) 47 (-1) 91 (-2) 47
WIND 20FT/EARLY(MPH) NE 14 NE 12 E 16
WIND 20FT/LATE(MPH) E 17 NE 10 E 17
MIXING HGT(FT-AGL/MSL)5910 5300
TRANSPORT WND (MPH) E 12 E 14
VENT RATE (KT-FT) 59100 63600
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ015-012000-
SOUTHERN HILLS-
330 AM AST WED APR 1 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 80 50 80
TEMP (24H TREND) 83 (+3) 63 (-1) 82
RH % (24H TREND) 61 (-3) 98 (0) 63
WIND 20FT/EARLY(MPH) NE 11 NE 11 NE 11
WIND 20FT/LATE(MPH) E 13 NE 11 E 12
MIXING HGT(FT-AGL/MSL)5960 5810
TRANSPORT WND (MPH) E 12 E 14
VENT RATE (KT-FT) 59600 69720
DISPERSION 5 5
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ016-012000-
NORTH COASTAL PLAINS-
330 AM AST WED APR 1 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 70 60
TEMP (24H TREND) 83 (0) 67 (-1) 84
RH % (24H TREND) 66 (-1) 100 (+1) 65
WIND 20FT/EARLY(MPH) E 14 E 13 E 16
WIND 20FT/LATE(MPH) NE 16 E 12 NE 17
MIXING HGT(FT-AGL/MSL)4860 4800
TRANSPORT WND (MPH) E 14 E 17
VENT RATE (KT-FT) 58320 72000
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ017-012000-
NORTHERN HILLS-
330 AM AST WED APR 1 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 60 70 60
TEMP (24H TREND) 83 (+2) 64 (-1) 83
RH % (24H TREND) 65 (-2) 100 (0) 65
WIND 20FT/EARLY(MPH) E 13 E 12 E 14
WIND 20FT/LATE(MPH) NE 13 E 11 NE 14
MIXING HGT(FT-AGL/MSL)5150 5380
TRANSPORT WND (MPH) E 14 E 16
VENT RATE (KT-FT) 61800 75320
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ018-012000-
WEST COAST-
330 AM AST WED APR 1 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 80 30 80
TEMP (24H TREND) 88 (+2) 65 (-1) 85
RH % (24H TREND) 58 (-3) 100 (+1) 62
WIND 20FT/EARLY(MPH) E 14 NE 16 E 14
WIND 20FT/LATE(MPH) E 17 NE 16 E 12
MIXING HGT(FT-AGL/MSL)5220 5510
TRANSPORT WND (MPH) E 12 E 12
VENT RATE (KT-FT) 52200 55100
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ019-012000-
EASTERN INTERIOR-
330 AM AST WED APR 1 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 70 60 70
TEMP (24H TREND) 83 (+2) 65 (-1) 83
RH % (24H TREND) 63 (-3) 99 (0) 64
WIND 20FT/EARLY(MPH) NE 11 NE 11 E 12
WIND 20FT/LATE(MPH) NE 11 NE 12 NE 12
MIXING HGT(FT-AGL/MSL)5990 5600
TRANSPORT WND (MPH) E 12 E 14
VENT RATE (KT-FT) 59900 67200
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ022-012000-
LUQUILLO MOUNTAIN RANGE-
330 AM AST WED APR 1 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 70 70
TEMP (24H TREND) 80 (+4) 62 (-2) 79
RH % (24H TREND) 68 (-5) 100 (0) 69
WIND 20FT/EARLY(MPH) NE 9 NE 9 E 11
WIND 20FT/LATE(MPH) NE 9 NE 9 NE 10
MIXING HGT(FT-AGL/MSL)4610 3900
TRANSPORT WND (MPH) E 12 E 15
VENT RATE (KT-FT) 46100 50700
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ023-012000-
CENTRAL MOUNTAIN RANGE-
330 AM AST WED APR 1 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 70 50 80
TEMP (24H TREND) 82 (+5) 62 (0) 80
RH % (24H TREND) 64 (-5) 100 (0) 66
WIND 20FT/EARLY(MPH) NE 13 NE 11 E 10
WIND 20FT/LATE(MPH) NE 12 E 11 NE 11
MIXING HGT(FT-AGL/MSL)5870 6020
TRANSPORT WND (MPH) E 12 E 14
VENT RATE (KT-FT) 58700 72240
DISPERSION 5 5
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ024-012000-
CAYEY MOUNTAIN RANGE-
330 AM AST WED APR 1 2026
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 50 50
TEMP (24H TREND) 79 (+2) 63 (0) 79
RH % (24H TREND) 69 (+1) 100 (0) 69
WIND 20FT/EARLY(MPH) NE 10 NE 10 NE 10
WIND 20FT/LATE(MPH) E 11 NE 9 E 10
MIXING HGT(FT-AGL/MSL)5860 4900
TRANSPORT WND (MPH) E 13 E 14
VENT RATE (KT-FT) 64460 58800
DISPERSION 5 5
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ025-012000-
VIEQUES-
330 AM AST WED APR 1 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 50 60
TEMP (24H TREND) 86 (+1) 70 (-1) 87
RH % (24H TREND) 55 (-4) 93 (0) 55
WIND 20FT/EARLY(MPH) NE 13 NE 13 E 14
WIND 20FT/LATE(MPH) NE 11 NE 14 E 13
MIXING HGT(FT-AGL/MSL)3630 3330
TRANSPORT WND (MPH) E 15 E 17
VENT RATE (KT-FT) 47190 49950
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ026-012000-
CULEBRA-
330 AM AST WED APR 1 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 50 60
TEMP (24H TREND) 87 (+2) 70 (-3) 88
RH % (24H TREND) 57 (-4) 100 (+9) 55
WIND 20FT/EARLY(MPH) E 13 E 13 E 14
WIND 20FT/LATE(MPH) E 11 E 14 NE 13
MIXING HGT(FT-AGL/MSL)3730 3400
TRANSPORT WND (MPH) E 14 E 16
VENT RATE (KT-FT) 44760 47600
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ027-012000-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 AM AST WED APR 1 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 80 60 70
TEMP (24H TREND) 89 (+3) 66 (-1) 87
RH % (24H TREND) 45 (-4) 95 (+2) 48
WIND 20FT/EARLY(MPH) E 16 NE 16 E 14
WIND 20FT/LATE(MPH) E 17 NE 16 E 17
MIXING HGT(FT-AGL/MSL)5640 5700
TRANSPORT WND (MPH) E 8 E 12
VENT RATE (KT-FT) 39480 57000
DISPERSION 5 5
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ001-012000-
SAINT THOMAS AND SAINT JOHN-
330 AM AST WED APR 1 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 60 60
TEMP (24H TREND) 84 (0) 66 (-7) 87
RH % (24H TREND) 58 (-2) 100 (+11) 55
WIND 20FT/EARLY(MPH) E 12 E 14 E 16
WIND 20FT/LATE(MPH) E 12 E 14 E 14
MIXING HGT(FT-AGL/MSL)3730 3490
TRANSPORT WND (MPH) E 14 E 18
VENT RATE (KT-FT) 44760 55840
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ002-012000-
ST CROIX-
330 AM AST WED APR 1 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 40 60
TEMP (24H TREND) 86 (+1) 70 (-2) 86
RH % (24H TREND) 54 (-5) 96 (+7) 57
WIND 20FT/EARLY(MPH) E 12 NE 13 E 13
WIND 20FT/LATE(MPH) E 12 E 13 E 13
MIXING HGT(FT-AGL/MSL)4990 4340
TRANSPORT WND (MPH) E 14 E 17
VENT RATE (KT-FT) 59880 65100
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
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